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Specification: Basics Model:GK3000-2S0007 Capacity:1 hp (0.75 kW) Shipping weight:2 kg Dimension:142*85*113 mm Rated current:4.7 A Over load capacity:150% of rated current for 1 minute, 180% of rated current for 3 seconds Control Feature Control mode: V/F control;Sensorless vector control; Communication:RS485 Speed regulation:1:100 Start torque:150% of rating torque at 1 Hz Speed control accuracy:≤±0.5% of rating synchronous speed Frequency precision:Digital setting: max frequency x± 0.01%;Analog setting: max frequency x± 0.2% Frequency resolution:Analog setting: 0.1% of max frequency; Digital setting: 0.01Hz Torque boost:Automatic torque boost, manual torque boost 0.1%~30.0% Interior PID controller:Be convenient to make closed-loop system Automatic energy save running:Optimize V/F curve automatically based on the load to realize power save running Automatic voltage regulation (AVR):Can keep constant output voltage when power source voltage varies. Automatic current limiting:Limit running current automatically to avoid frequent over-current which will cause trip Environment Enclosure rating:IP 20